package tiaozhanti1;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import jichuti1.Book;
import jinjieti1.BranchLibrary;
import jinjieti1.Library;

/**
 * 图书资源共享管理类（多对多聚合关系）
 */
public class ResourceSharingManager {
    private List<Library> libraries;    // 参与共享的图书馆
    private Map<Book, List<Library>> sharedBooks;  // 共享图书映射

    public ResourceSharingManager() {
        this.libraries = new ArrayList<>();
        this.sharedBooks = new HashMap<>();
    }

    // 添加参与共享的图书馆
    public void addLibrary(Library lib2) {
        libraries.add(lib2);
    }

    // 共享图书
    public void shareBook(Book book, Library fromLib, List<Library> toLibs) {
        for (Library lib : toLibs) {
            if (libraries.contains(lib) && !lib.equals(fromLib)) {
                sharedBooks.computeIfAbsent(book, k -> new ArrayList<>()).add(lib);
            }
        }
    }

	public void shareBook(Book sharedBook, BranchLibrary lib1, List<BranchLibrary> of) {
		// TODO Auto-generated method stub
		
	}

	public void addLibrary(BranchLibrary lib1) {
		// TODO Auto-generated method stub
		
	}
}